liii 



Mottram (J. C.) and Kuss (S.) Observations and Experiments on the Susceptibility 



and Immunity of Eats towards Jensen's Rat Sarcoma, 1, 

 Muscular work, efficiency of (Greenwood), 199. 



Night-blindness, cases of congenital (Abney), 69. 



Nitrites from nitrates in aqueous solution, formation of, by action of sunlight, and 



assimilation by green leaves (Moore), 158. 

 Norman (A. M.) Obituary notice of, xlvi. 

 Nucleic acid derivatives isolated from peat (Bottomley), 39. 



Obituary Notices : — 



Oliver (D.) Obituary notice of, xi. 



Onslow (H.) Note on the Nature of Growths in Colloidal Silica Solutions, 266. 

 Peat, isolation of nucleic acid derivatives from (Bottomley), 39. 



Photo-synthesis of organic compounds in presence of inorganic colloids (Moore and 

 Webster), 168. 



Plant cells, position of equilibrium in intake of salts by (Stiles and Kidd), 448. 



Plants, growth and movement in (Bose and Das), 364. 



Plant tissue, rate of absorption of salts by (Stiles and Kidd), 487. 



Plimmer (H. G.) Obituary notice of, xliii. 



Polyneuritis in birds, distribution in grains of deficiency substance of (Chick and Hume), 



44 ; Effect of exposure to high temperatures upon the substance (Chick and 



Hume), 60. 



Power (Sir W. H.) Obituary notice of, i. 



Rat sarcoma, susceptibiHty and immunity of rats towards (Mottram and Russ), 1. 

 Reflex nervous discharge and reflex contraction (Dreyer and Sherrington), 270. 

 Reid (Clement) Obituary notice of, viii. 

 Russ (S.) See Mottram and Russ ; Browning and Russ. 



Schryver (S. B.) and Speer (N. E.) Investigations dealing with the State of Aggrega- 

 tion. Part IV. — The Flocculation of Colloids by Salts containing Univalent 

 Organic Ions, 400. 



Scorbutic diet and teeth in guinea-pig (Zilva and Wells), 505. 



Sea-pens, evolution and symmetry in the order of the (Hickson), 108. 



Sherrington (C. S.) See Dreyer and Sherrington. 



Small (J.) Changes of Electrical Conductivity under Geotropic Stimulation, 349. 

 Smith (Capt. G. W.) Obituary notice of, xvi. 

 Solms-Laubach (H. Graf zu) Obituary notice of, xix. 

 Speer (N. E.) See Schryver and Speer. 



Stiles (W.) and Kidd (F.) The Influence of External Concentration on the Position 



of the Equilibrium attained in the Intake of Salts by Plant Cells, 448 ; The 



Comparative Rate of Absorption of Various Salts by Plant Tissue, 487. 



Stopes (M. C.) On the Four Visible Ingredients in Banded Bituminous Coal : Studies 

 in the Composition of Coal, No. 1, 470. 



Power, Sir W. H., i. 



Reid, C, viLi. 



Oliver, D., xi. 



Smith, Capt. G. W., xvi. 



Solms-Laubach, H. Graf zu, xix. 



Bell, R., xxvi. 

 Hull, E., xxviii. 

 Lucas, K., xxxi. 

 Plimmer, H. G., xliii. 

 Norman, A. M., xlvi. 



I 



